leg site hole core section top of sample interval (m) bottom of sample interval (m) fraction mineral percent 4 25 A 1 4.90 5.80 SILT QUARTZ 21.9 4 25 A 1 4.90 5.80 SILT K-FELDSPAR 3.4 4 25 A 1 4.90 5.80 SILT PLAGIOCLASE 4.9 4 25 A 1 4.90 5.80 SILT KAOLINITE 47.6 4 25 A 1 4.90 5.80 SILT MICA 22.3